Tips

If your fruit separates from the liquid in the jars, invert the sealed jars once or twice a day. Continue inverting until fruit is well distributed.

Chunky Strawberrry Jam:

Prepare as directed except do not crush strawberries. Substitute 8 cups coarsely chopped berries for the 5 cups crushed berries. Makes about 9 cups (about 9 half-pints).

Strawberry Banana Jam:

Prepare as directed except decrease crushed strawberries to 4 cups and add 1 cup chopped banana to the strawberries after crushing. Makes about 8 cups (about 8 half-pints).

Strawberry-Basil Jam:

Prepare as directed except stir in 1/3 cup snipped fresh basil after skimming off the foam. Makes about 10 cups (about 10 half-pints).